@Override
protected void updateTitle(@Nullable final PsiVariable variable, final String value) {
final PsiElement declarationScope =
variable != null ? ((PsiParameter) variable).getDeclarationScope() : null;
if (declarationScope instanceof PsiMethod) {
final PsiMethod psiMethod = (PsiMethod) declarationScope;
final StringBuilder buf = new StringBuilder();
buf.append(psiMethod.getName()).append(" (");
boolean frst = true;
final List<TextRange> ranges2Remove = new ArrayList<>();
TextRange addedRange = null;
for (PsiParameter parameter : psiMethod.getParameterList().getParameters()) {
if (frst) {
frst = false;
} else {
buf.append(", ");
}
int startOffset = buf.length();
if (myMustBeFinal || myPanel.isGenerateFinal()) {
buf.append("final ");
}
buf.append(parameter.getType().getPresentableText())
.append(" ")
.append(variable == parameter ? value : parameter.getName());
int endOffset = buf.length();
if (variable == parameter) {
addedRange = new TextRange(startOffset, endOffset);
} else if (myPanel.isParamToRemove(parameter)) {
ranges2Remove.add(new TextRange(startOffset, endOffset));
}
}
buf.append(")");
setPreviewText(buf.toString());
final MarkupModel markupModel =
DocumentMarkupModel.forDocument(getPreviewEditor().getDocument(), myProject, true);
markupModel.removeAllHighlighters();
for (TextRange textRange : ranges2Remove) {
markupModel.addRangeHighlighter(
textRange.getStartOffset(),
textRange.getEndOffset(),
0,
getTestAttributesForRemoval(),
HighlighterTargetArea.EXACT_RANGE);
}
markupModel.addRangeHighlighter(
addedRange.getStartOffset(),
addedRange.getEndOffset(),
0,
getTextAttributesForAdd(),
HighlighterTargetArea.EXACT_RANGE);
revalidate();
}
}
private static String compoundLambdaOrMethodReference(
PsiParameter parameter,
PsiExpression expression,
String samQualifiedName,
PsiType[] samParamTypes) {
String result = "";
final Project project = parameter.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass functionClass =
psiFacade.findClass(samQualifiedName, GlobalSearchScope.allScope(project));
for (int i = 0; i < samParamTypes.length; i++) {
if (samParamTypes[i] instanceof PsiPrimitiveType) {
samParamTypes[i] = ((PsiPrimitiveType) samParamTypes[i]).getBoxedType(expression);
}
}
final PsiClassType functionalInterfaceType =
functionClass != null
? psiFacade.getElementFactory().createType(functionClass, samParamTypes)
: null;
final PsiParameter[] parameters = {parameter};
final String methodReferenceText =
LambdaCanBeMethodReferenceInspection.convertToMethodReference(
expression, parameters, functionalInterfaceType, null);
if (methodReferenceText != null) {
LOG.assertTrue(functionalInterfaceType != null);
result += "(" + functionalInterfaceType.getCanonicalText() + ")" + methodReferenceText;
} else {
result += parameter.getName() + " -> " + expression.getText();
}
return result;
}
@Override
public void visitThrowStatement(PsiThrowStatement statement) {
super.visitThrowStatement(statement);
final PsiCatchSection catchSection =
PsiTreeUtil.getParentOfType(statement, PsiCatchSection.class, true, PsiClass.class);
if (catchSection == null) {
return;
}
final PsiParameter parameter = catchSection.getParameter();
if (parameter == null) {
return;
}
@NonNls final String parameterName = parameter.getName();
if (PsiUtil.isIgnoredName(parameterName)) {
return;
}
final PsiExpression exception = statement.getException();
if (exception == null) {
return;
}
if (ignoreCantWrap) {
final PsiType thrownType = exception.getType();
if (thrownType instanceof PsiClassType) {
final PsiClassType classType = (PsiClassType) thrownType;
final PsiClass exceptionClass = classType.resolve();
if (exceptionClass != null) {
final PsiMethod[] constructors = exceptionClass.getConstructors();
final PsiClassType throwableType =
TypeUtils.getType(CommonClassNames.JAVA_LANG_THROWABLE, statement);
boolean canWrap = false;
outer:
for (PsiMethod constructor : constructors) {
final PsiParameterList parameterList = constructor.getParameterList();
final PsiParameter[] parameters = parameterList.getParameters();
for (PsiParameter constructorParameter : parameters) {
final PsiType type = constructorParameter.getType();
if (throwableType.equals(type)) {
canWrap = true;
break outer;
}
}
}
if (!canWrap) {
return;
}
}
}
}
final ReferenceFinder visitor = new ReferenceFinder(parameter);
exception.accept(visitor);
if (visitor.usesParameter()) {
return;
}
registerStatementError(statement);
}
private static String createForEachFunctionalExpressionText(
Project project, PsiStatement body, PsiParameter parameter) {
final PsiCallExpression callExpression =
LambdaCanBeMethodReferenceInspection.extractMethodCallFromBlock(body);
if (callExpression != null) {
final PsiClassType functionalType = createDefaultConsumerType(project, parameter);
final PsiParameter[] parameters = {parameter};
final PsiElement bodyBlock =
body instanceof PsiBlockStatement ? ((PsiBlockStatement) body).getCodeBlock() : body;
final String methodReferenceText =
LambdaCanBeMethodReferenceInspection.convertToMethodReference(
bodyBlock, parameters, functionalType, null);
if (methodReferenceText != null) {
return methodReferenceText;
}
}
return parameter.getName() + " -> " + wrapInBlock(body);
}
private void checkCatchSection(PsiCatchSection section) {
final PsiCodeBlock block = section.getCatchBlock();
if (block == null || !isCatchBlockEmpty(block)) {
return;
}
final PsiParameter parameter = section.getParameter();
if (parameter == null) {
return;
}
final PsiIdentifier identifier = parameter.getNameIdentifier();
if (identifier == null) {
return;
}
@NonNls final String parameterName = parameter.getName();
if (m_ignoreIgnoreParameter
&& ("ignore".equals(parameterName) || "ignored".equals(parameterName))) {
return;
}
final PsiElement catchToken = section.getFirstChild();
if (catchToken == null) {
return;
}
registerError(catchToken);
}
public static void visitRefInDocTag(
final PsiDocTag tag,
final JavadocManager manager,
final PsiElement context,
final ArrayList<ProblemDescriptor> problems,
final InspectionManager inspectionManager,
final boolean onTheFly) {
final String tagName = tag.getName();
final PsiDocTagValue value = tag.getValueElement();
if (value == null) return;
final JavadocTagInfo info = manager.getTagInfo(tagName);
if (info != null && !info.isValidInContext(context)) return;
final String message = info == null || !info.isInline() ? null : info.checkTagValue(value);
if (message != null) {
problems.add(createDescriptor(value, message, inspectionManager, onTheFly));
}
final PsiReference reference = value.getReference();
if (reference == null) return;
final PsiElement element = reference.resolve();
if (element != null) return;
final int textOffset = value.getTextOffset();
if (textOffset == value.getTextRange().getEndOffset()) return;
final PsiDocTagValue valueElement = tag.getValueElement();
if (valueElement == null) return;
final CharSequence paramName =
value
.getContainingFile()
.getViewProvider()
.getContents()
.subSequence(textOffset, value.getTextRange().getEndOffset());
final String params = "<code>" + paramName + "</code>";
final List<LocalQuickFix> fixes = new ArrayList<LocalQuickFix>();
if (onTheFly && "param".equals(tagName)) {
final PsiDocCommentOwner commentOwner =
PsiTreeUtil.getParentOfType(tag, PsiDocCommentOwner.class);
if (commentOwner instanceof PsiMethod) {
final PsiMethod method = (PsiMethod) commentOwner;
final PsiParameter[] parameters = method.getParameterList().getParameters();
final PsiDocTag[] tags = tag.getContainingComment().getTags();
final Set<String> unboundParams = new HashSet<String>();
for (PsiParameter parameter : parameters) {
if (!JavaDocLocalInspection.isFound(tags, parameter)) {
unboundParams.add(parameter.getName());
}
}
if (!unboundParams.isEmpty()) {
fixes.add(new RenameReferenceQuickFix(unboundParams));
}
}
}
fixes.add(new RemoveTagFix(tagName, paramName));
problems.add(
inspectionManager.createProblemDescriptor(
valueElement,
reference.getRangeInElement(),
cannotResolveSymbolMessage(params),
ProblemHighlightType.LIKE_UNKNOWN_SYMBOL,
onTheFly,
fixes.toArray(new LocalQuickFix[fixes.size()])));
}
